Chart correction N18/20 — chart 95136
95136 2Ed. 1/6/18 LAST NM N17/20 N18/20 Relocate Buoy “B” from 34°51′29.3″N 127°41′15.2″E to 34°51′29.3″N 127°41′08.0″E (continued on next page) NM 18/20 SECTION I I-1.20 95136 (Continued) Relocate Buoy “A” from 34°51′37.0″N 127°41′18.3″E to 34°51′40.6″N 127°41′18.1″E (See N46/19) Add Buoy Y, pillar, “X” topmark, Fl(4) Y 8s [Q130.6] 34°50′44.6″N 127°40′35.7″E (12(170)20 Busan)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 1/6/18
Reference information — always verify against official Notices to Mariners before navigation.